Fair Value Measurements (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Valuation, Market Approach [Member]
Assets:
Foreign currency contracts	$ 1.3	$ 1.7
Net investment hedge contracts	10.7
Liabilities:
Foreign currency contracts	3.3	5.0
Net investment hedge contracts	0.3
Commodity contracts	0.2
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Foreign currency contracts	0.0	0.0
Net investment hedge contracts	0.0
Liabilities:
Foreign currency contracts	0.0	0.0
Net investment hedge contracts	0.0
Commodity contracts	0.0
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Foreign currency contracts	1.3	1.7
Net investment hedge contracts	10.7
Liabilities:
Foreign currency contracts	3.3	5.0
Net investment hedge contracts	0.3
Commodity contracts	0.2
Valuation, Market Approach [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Foreign currency contracts	0.0	0.0
Net investment hedge contracts	0.0
Liabilities:
Foreign currency contracts	0.0	0.0
Net investment hedge contracts	0.0
Commodity contracts	0.0
Valuation, Income Approach [Member]
Assets:
Other long-term receivables (insurance settlement agreement note receivable)	43.7	42.9
Valuation, Income Approach [Member] | Fair Value, Inputs, Level 1 [Member]
Assets:
Other long-term receivables (insurance settlement agreement note receivable)	0.0	0.0
Valuation, Income Approach [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Other long-term receivables (insurance settlement agreement note receivable)	43.7	42.9
Valuation, Income Approach [Member] | Fair Value, Inputs, Level 3 [Member]
Assets:
Other long-term receivables (insurance settlement agreement note receivable)	$ 0.0	$ 0.0